The university issued a shelter in place order, which was later lifted.

“There’s no evidence of a shooting, (but) we did have units that responded to a possible active shooter,” said LAPD Detective Meghan Aguilar. “The responding units are trying to touch base with people that called 911 to report it and figure out exactly what’s going on there.”

The professor was detained and was being questioned to determine her mental health status, Lopez said, and to decide if any charges will be brought.